Greatest Common Factor of 87, 21, 651

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 87, 21, 651 by common division method
• Greatest Common Factor of 87, 21, 651 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 651

List of positive integer factors of 651 that divides 651 without a remainder.

1,3,7,21,31,93,217,651

Greatest Common Factor

We found the factors 87,21,651 . The biggest common factor number is the GCF number.
So the greatest common factor 87,21,651 is 3.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 34, 64, 796
• GCF of 25, 43, 948
• GCF of 54, 78, 442
• GCF of 91, 49, 909
• GCF of 16, 62, 902

1. What is the GCF of 87, 21, 651?

Answer: GCF of 87, 21, 651 is 3.

2. How to Find the GCF of 87, 21, 651

Answer: Greatest Common Factor(GCF) of 87, 21, 651 = 3

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(87, 21, 651) = 3.